package collection;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

public class NumForDemo {
    public static void main(String[] args) {
        String[] array = {"one", "two", "three", "four"};
        for (int i = 0; i <array.length ; i++) {
            System.out.println(array[i]);
        }
        for (String str:array){
            System.out.println(str);
        }
        Collection c = new ArrayList();
        c.add("one");
        c.add("two");
        c.add("three");
        c.add("four");
        Iterator it  = c.iterator();
        while (it.hasNext()){
            String str = (String) it.next();
            System.out.println(str);
        }
    }
}
